Thunderstorms produced damaging winds over a large part of southeast South Dakota beginning just before midnight on June 10th, and continuing well into the predawn hours of June 11th. The storms also produced very heavy rain, which caused flash flooding at several locations.

Event Narrative

Thunderstorm winds blew the roof off a house and heavily damaged the adjoining garage. The winds also blew out car windows and caused tree damage, including several trees blown down.